10.1.21. Possible malfunctions of the electric pump and ways of their elimination
|
Possible malfunctions of the electric pump and ways of their elimination
|
|
|
Cause of defect
|
Way of elimination
|
|
At inclusion the electric pump does not work
|
|
|
There is no contact in connecting blocks
|
To check reliability of connections and to eliminate malfunction
|
|
The switch does not work
|
To Prverit and repair it
|
|
Lag of brushes, oiling or pollution by electric motor collector anchor dust
|
To disassemble the electric motor, to eliminate lag of brushes. To wipe a collector with the rag moistened in gasoline. To clear grooves between collector plates
|
|
Oxidation of contacts of a fusible insert and its nest
|
To clear contacts of a nest of a fusible insert
|
|
The safety lock fused
|
To find a cause of defect, to eliminate it and to replace a safety lock
|